Daikin LX10F11B3 User Manual

Symptom Cause Checkpoint Remedy
Ⅲ
Inside temperature does not drop.
The high pressure is
excessively high.
Solenoid valve internal
leak
Reverse rotation of
condenser fan
Ambient temperature
is high.
Short circuit
Is the condenser
water-cooled?
Low water volume
Water temperature is
high.
Clogged fin of air
cooled condenser
Check for
leak from solenoid
valve during pull-down. Is the
temperature in the piping on
the HSV, and RSV
outlet side
high?
Does the condenser
fan rotate reverse?
Leak from solenoid valve
⇒ Replace the solenoid valve.
HSV: Hot gas solenoid valve
RSV: Reheat solenoid valve
Check the wiring on secondary
side of magnetic contactor for
condenser fan.
Is the suction air
temperature at condenser
50°C or higher?
Out of operation range
Repair short circuit at discharge air.
Is the condenser water-cooled?
Visually check for
obstructions on
condenser coil fin
Clogged
⇒ cleaning
Check for entering
of air referring to
paragraph 4.4.
Entering of air,
wrong refrigerant
type
⇒ Replace the
refrigerant.
Overcharge
Entering of air,
wrong refrigerant
type
⇒ Replace the
refrigerant.
Overcharge ⇒ Replace the refrigerant.
Water cooling: Water temperature is high,
water cooled condenser is dirty
⇒ Check the facility, or clean or replace
the water cooled condenser.
Are the valves in water
piping fully opened?
YES
Shortage of
water volume
⇒ Check the
facility.
Is the HPS operated?
YES
NO
NO
Fully open the valve
YES
NO
YES (Reverse rotation)
NO (Normal rotation)
YES
NO
YES
NO
YES
NO
YES
NO
Entering air
Overcharge
Wrong refrigerant type
2-48
02章45-54LX10F11B3TR16-02En.indd2-4802章45-54LX10F11B3TR16-02En.indd2-48 2016/02/029:37:432016/02/029:37:43
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Daikin LX10F11B3 Specifications

General

Brand	Daikin
Model	LX10F11B3
Category	Inverter
Language	English